65020665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 112995648

約数和(自身を除く): 47974983

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 283, 289, 795, 849, 867, 901, 1415, 1445, 2703, 4245, 4335, 4505, 4811, 13515, 14433, 14999, 15317, 24055, 44997, 45951, 72165, 74995, 76585, 81787, 224985, 229755, 245361, 254983, 408935, 764949, 1226805, 1274915, 3824745, 4334711, 13004133, 21673555, 65020665]

約数ペア:

[(1, 65020665), (3, 21673555), (5, 13004133), (15, 4334711), (17, 3824745), (51, 1274915), (53, 1226805), (85, 764949), (159, 408935), (255, 254983), (265, 245361), (283, 229755), (289, 224985), (795, 81787), (849, 76585), (867, 74995), (901, 72165), (1415, 45951), (1445, 44997), (2703, 24055), (4245, 15317), (4335, 14999), (4505, 14433), (4811, 13515)]