15983175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^3\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 28921760

約数和(自身を除く): 12938585

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 97, 169, 195, 291, 325, 485, 507, 845, 975, 1261, 1455, 2197, 2425, 2535, 3783, 4225, 6305, 6591, 7275, 10985, 12675, 16393, 18915, 31525, 32955, 49179, 54925, 81965, 94575, 164775, 213109, 245895, 409825, 639327, 1065545, 1229475, 3196635, 5327725, 15983175]

約数ペア:

[(1, 15983175), (3, 5327725), (5, 3196635), (13, 1229475), (15, 1065545), (25, 639327), (39, 409825), (65, 245895), (75, 213109), (97, 164775), (169, 94575), (195, 81965), (291, 54925), (325, 49179), (485, 32955), (507, 31525), (845, 18915), (975, 16393), (1261, 12675), (1455, 10985), (2197, 7275), (2425, 6591), (2535, 6305), (3783, 4225)]