69974775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:585

約数の個数: 72

約数和(自身を含む): 138116160

約数和(自身を除く): 68141385

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 47, 65, 75, 117, 141, 195, 225, 235, 325, 423, 509, 585, 611, 705, 975, 1175, 1527, 1833, 2115, 2545, 2925, 3055, 3525, 4581, 5499, 6617, 7635, 9165, 10575, 12725, 15275, 19851, 22905, 23923, 27495, 33085, 38175, 45825, 59553, 71769, 99255, 114525, 119615, 137475, 165425, 215307, 297765, 310999, 358845, 496275, 598075, 932997, 1076535, 1488825, 1554995, 1794225, 2798991, 4664985, 5382675, 7774975, 13994955, 23324925, 69974775]

約数ペア:

[(1, 69974775), (3, 23324925), (5, 13994955), (9, 7774975), (13, 5382675), (15, 4664985), (25, 2798991), (39, 1794225), (45, 1554995), (47, 1488825), (65, 1076535), (75, 932997), (117, 598075), (141, 496275), (195, 358845), (225, 310999), (235, 297765), (325, 215307), (423, 165425), (509, 137475), (585, 119615), (611, 114525), (705, 99255), (975, 71769), (1175, 59553), (1527, 45825), (1833, 38175), (2115, 33085), (2545, 27495), (2925, 23923), (3055, 22905), (3525, 19851), (4581, 15275), (5499, 12725), (6617, 10575), (7635, 9165)]