20131568685

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2161199}}^1$

素因数の和:2161239

約数の個数: 40

約数和(自身を含む): 37656748800

約数和(自身を除く): 17525180115

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 2161199, 6483597, 10805995, 19450791, 32417985, 49707577, 58352373, 97253955, 149122731, 175057119, 248537885, 291761865, 447368193, 745613655, 875285595, 1342104579, 2236840965, 4026313737, 6710522895, 20131568685]

約数ペア:

[(1, 20131568685), (3, 6710522895), (5, 4026313737), (9, 2236840965), (15, 1342104579), (23, 875285595), (27, 745613655), (45, 447368193), (69, 291761865), (81, 248537885), (115, 175057119), (135, 149122731), (207, 97253955), (345, 58352373), (405, 49707577), (621, 32417985), (1035, 19450791), (1863, 10805995), (3105, 6483597), (9315, 2161199)]