17855955

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 33729696

約数和(自身を除く): 15873741

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 131, 195, 233, 393, 585, 655, 699, 1165, 1179, 1703, 1965, 2097, 3029, 3495, 5109, 5895, 8515, 9087, 10485, 15145, 15327, 25545, 27261, 30523, 45435, 76635, 91569, 136305, 152615, 274707, 396799, 457845, 1190397, 1373535, 1983995, 3571191, 5951985, 17855955]

約数ペア:

[(1, 17855955), (3, 5951985), (5, 3571191), (9, 1983995), (13, 1373535), (15, 1190397), (39, 457845), (45, 396799), (65, 274707), (117, 152615), (131, 136305), (195, 91569), (233, 76635), (393, 45435), (585, 30523), (655, 27261), (699, 25545), (1165, 15327), (1179, 15145), (1703, 10485), (1965, 9087), (2097, 8515), (3029, 5895), (3495, 5109)]