843975225

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2297}}^1$

素因数の和:2407

約数の個数: 72

約数和(自身を含む): 1600290432

約数和(自身を除く): 756315207

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 71, 75, 115, 207, 213, 225, 345, 355, 575, 639, 1035, 1065, 1633, 1725, 1775, 2297, 3195, 4899, 5175, 5325, 6891, 8165, 11485, 14697, 15975, 20673, 24495, 34455, 40825, 52831, 57425, 73485, 103365, 122475, 158493, 163087, 172275, 264155, 367425, 475479, 489261, 516825, 792465, 815435, 1320775, 1467783, 2377395, 2446305, 3751001, 3962325, 4077175, 7338915, 11253003, 11886975, 12231525, 18755005, 33759009, 36694575, 56265015, 93775025, 168795045, 281325075, 843975225]

約数ペア:

[(1, 843975225), (3, 281325075), (5, 168795045), (9, 93775025), (15, 56265015), (23, 36694575), (25, 33759009), (45, 18755005), (69, 12231525), (71, 11886975), (75, 11253003), (115, 7338915), (207, 4077175), (213, 3962325), (225, 3751001), (345, 2446305), (355, 2377395), (575, 1467783), (639, 1320775), (1035, 815435), (1065, 792465), (1633, 516825), (1725, 489261), (1775, 475479), (2297, 367425), (3195, 264155), (4899, 172275), (5175, 163087), (5325, 158493), (6891, 122475), (8165, 103365), (11485, 73485), (14697, 57425), (15975, 52831), (20673, 40825), (24495, 34455)]