81766545

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2099}}^1$

素因数の和:2174

約数の個数: 48

約数和(自身を含む): 155131200

約数和(自身を除く): 73364655

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 53, 105, 147, 159, 245, 265, 371, 735, 795, 1113, 1855, 2099, 2597, 5565, 6297, 7791, 10495, 12985, 14693, 31485, 38955, 44079, 73465, 102851, 111247, 220395, 308553, 333741, 514255, 556235, 778729, 1542765, 1668705, 2336187, 3893645, 5451103, 11680935, 16353309, 27255515, 81766545]

約数ペア:

[(1, 81766545), (3, 27255515), (5, 16353309), (7, 11680935), (15, 5451103), (21, 3893645), (35, 2336187), (49, 1668705), (53, 1542765), (105, 778729), (147, 556235), (159, 514255), (245, 333741), (265, 308553), (371, 220395), (735, 111247), (795, 102851), (1113, 73465), (1855, 44079), (2099, 38955), (2597, 31485), (5565, 14693), (6297, 12985), (7791, 10495)]