4065075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 8704800

約数和(自身を除く): 4639725

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 29, 35, 45, 63, 75, 87, 89, 105, 145, 175, 203, 225, 261, 267, 315, 435, 445, 525, 609, 623, 725, 801, 1015, 1305, 1335, 1575, 1827, 1869, 2175, 2225, 2581, 3045, 3115, 4005, 5075, 5607, 6525, 6675, 7743, 9135, 9345, 12905, 15225, 15575, 18067, 20025, 23229, 28035, 38715, 45675, 46725, 54201, 64525, 90335, 116145, 140175, 162603, 193575, 271005, 451675, 580725, 813015, 1355025, 4065075]

約数ペア:

[(1, 4065075), (3, 1355025), (5, 813015), (7, 580725), (9, 451675), (15, 271005), (21, 193575), (25, 162603), (29, 140175), (35, 116145), (45, 90335), (63, 64525), (75, 54201), (87, 46725), (89, 45675), (105, 38715), (145, 28035), (175, 23229), (203, 20025), (225, 18067), (261, 15575), (267, 15225), (315, 12905), (435, 9345), (445, 9135), (525, 7743), (609, 6675), (623, 6525), (725, 5607), (801, 5075), (1015, 4005), (1305, 3115), (1335, 3045), (1575, 2581), (1827, 2225), (1869, 2175)]