56456415

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 100859616

約数和(自身を除く): 44403201

約数列:

[1, 3, 5, 9, 15, 45, 61, 131, 157, 183, 305, 393, 471, 549, 655, 785, 915, 1179, 1413, 1965, 2355, 2745, 5895, 7065, 7991, 9577, 20567, 23973, 28731, 39955, 47885, 61701, 71919, 86193, 102835, 119865, 143655, 185103, 308505, 359595, 430965, 925515, 1254587, 3763761, 6272935, 11291283, 18818805, 56456415]

約数ペア:

[(1, 56456415), (3, 18818805), (5, 11291283), (9, 6272935), (15, 3763761), (45, 1254587), (61, 925515), (131, 430965), (157, 359595), (183, 308505), (305, 185103), (393, 143655), (471, 119865), (549, 102835), (655, 86193), (785, 71919), (915, 61701), (1179, 47885), (1413, 39955), (1965, 28731), (2355, 23973), (2745, 20567), (5895, 9577), (7065, 7991)]