2021809725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{1021}}^1$

素因数の和:1727

約数の個数: 72

約数和(自身を含む): 3909432072

約数和(自身を除く): 1887622347

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 677, 975, 1021, 2031, 2925, 3063, 3385, 5105, 6093, 8801, 9189, 10155, 13273, 15315, 16925, 25525, 26403, 30465, 39819, 44005, 45945, 50775, 66365, 76575, 79209, 119457, 132015, 152325, 199095, 220025, 229725, 331825, 396045, 597285, 660075, 691217, 995475, 1980225, 2073651, 2986425, 3456085, 6220953, 8985821, 10368255, 17280425, 26957463, 31104765, 44929105, 51841275, 80872389, 134787315, 155523825, 224645525, 404361945, 673936575, 2021809725]

約数ペア:

[(1, 2021809725), (3, 673936575), (5, 404361945), (9, 224645525), (13, 155523825), (15, 134787315), (25, 80872389), (39, 51841275), (45, 44929105), (65, 31104765), (75, 26957463), (117, 17280425), (195, 10368255), (225, 8985821), (325, 6220953), (585, 3456085), (677, 2986425), (975, 2073651), (1021, 1980225), (2031, 995475), (2925, 691217), (3063, 660075), (3385, 597285), (5105, 396045), (6093, 331825), (8801, 229725), (9189, 220025), (10155, 199095), (13273, 152325), (15315, 132015), (16925, 119457), (25525, 79209), (26403, 76575), (30465, 66365), (39819, 50775), (44005, 45945)]