64019475

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 126606480

約数和(自身を除く): 62587005

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 43, 45, 65, 75, 117, 129, 195, 215, 225, 325, 387, 509, 559, 585, 645, 975, 1075, 1527, 1677, 1935, 2545, 2795, 2925, 3225, 4581, 5031, 6617, 7635, 8385, 9675, 12725, 13975, 19851, 21887, 22905, 25155, 33085, 38175, 41925, 59553, 65661, 99255, 109435, 114525, 125775, 165425, 196983, 284531, 297765, 328305, 496275, 547175, 853593, 984915, 1422655, 1488825, 1641525, 2560779, 4267965, 4924575, 7113275, 12803895, 21339825, 64019475]

約数ペア:

[(1, 64019475), (3, 21339825), (5, 12803895), (9, 7113275), (13, 4924575), (15, 4267965), (25, 2560779), (39, 1641525), (43, 1488825), (45, 1422655), (65, 984915), (75, 853593), (117, 547175), (129, 496275), (195, 328305), (215, 297765), (225, 284531), (325, 196983), (387, 165425), (509, 125775), (559, 114525), (585, 109435), (645, 99255), (975, 65661), (1075, 59553), (1527, 41925), (1677, 38175), (1935, 33085), (2545, 25155), (2795, 22905), (2925, 21887), (3225, 19851), (4581, 13975), (5031, 12725), (6617, 9675), (7635, 8385)]