287563425

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 491539968

約数和(自身を除く): 203976543

約数列:

[1, 3, 5, 15, 25, 53, 73, 75, 159, 219, 265, 365, 795, 991, 1095, 1325, 1825, 2973, 3869, 3975, 4955, 5475, 11607, 14865, 19345, 24775, 52523, 58035, 72343, 74325, 96725, 157569, 217029, 262615, 290175, 361715, 787845, 1085145, 1313075, 1808575, 3834179, 3939225, 5425725, 11502537, 19170895, 57512685, 95854475, 287563425]

約数ペア:

[(1, 287563425), (3, 95854475), (5, 57512685), (15, 19170895), (25, 11502537), (53, 5425725), (73, 3939225), (75, 3834179), (159, 1808575), (219, 1313075), (265, 1085145), (365, 787845), (795, 361715), (991, 290175), (1095, 262615), (1325, 217029), (1825, 157569), (2973, 96725), (3869, 74325), (3975, 72343), (4955, 58035), (5475, 52523), (11607, 24775), (14865, 19345)]