1994452875

素因数分解:

$3^6\times 5^3\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:585

約数の個数: 112

約数和(自身を含む): 3826199520

約数和(自身を除く): 1831746645

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 125, 129, 135, 215, 225, 243, 375, 387, 405, 509, 645, 675, 729, 1075, 1125, 1161, 1215, 1527, 1935, 2025, 2545, 3225, 3375, 3483, 3645, 4581, 5375, 5805, 6075, 7635, 9675, 10125, 10449, 12725, 13743, 16125, 17415, 18225, 21887, 22905, 29025, 30375, 31347, 38175, 41229, 48375, 52245, 63625, 65661, 68715, 87075, 91125, 109435, 114525, 123687, 145125, 156735, 190875, 196983, 206145, 261225, 328305, 343575, 371061, 435375, 547175, 572625, 590949, 618435, 783675, 984915, 1030725, 1306125, 1641525, 1717875, 1772847, 1855305, 2735875, 2954745, 3092175, 3918375, 4924575, 5153625, 5318541, 8207625, 8864235, 9276525, 14773725, 15460875, 15955623, 24622875, 26592705, 44321175, 46382625, 73868625, 79778115, 132963525, 221605875, 398890575, 664817625, 1994452875]

約数ペア:

[(1, 1994452875), (3, 664817625), (5, 398890575), (9, 221605875), (15, 132963525), (25, 79778115), (27, 73868625), (43, 46382625), (45, 44321175), (75, 26592705), (81, 24622875), (125, 15955623), (129, 15460875), (135, 14773725), (215, 9276525), (225, 8864235), (243, 8207625), (375, 5318541), (387, 5153625), (405, 4924575), (509, 3918375), (645, 3092175), (675, 2954745), (729, 2735875), (1075, 1855305), (1125, 1772847), (1161, 1717875), (1215, 1641525), (1527, 1306125), (1935, 1030725), (2025, 984915), (2545, 783675), (3225, 618435), (3375, 590949), (3483, 572625), (3645, 547175), (4581, 435375), (5375, 371061), (5805, 343575), (6075, 328305), (7635, 261225), (9675, 206145), (10125, 196983), (10449, 190875), (12725, 156735), (13743, 145125), (16125, 123687), (17415, 114525), (18225, 109435), (21887, 91125), (22905, 87075), (29025, 68715), (30375, 65661), (31347, 63625), (38175, 52245), (41229, 48375)]