30986175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 59246208

約数和(自身を除く): 28260033

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 71, 75, 115, 165, 213, 253, 275, 345, 355, 529, 575, 759, 781, 825, 1065, 1265, 1587, 1633, 1725, 1775, 2343, 2645, 3795, 3905, 4899, 5325, 5819, 6325, 7935, 8165, 11715, 13225, 17457, 17963, 18975, 19525, 24495, 29095, 37559, 39675, 40825, 53889, 58575, 87285, 89815, 112677, 122475, 145475, 187795, 269445, 413149, 436425, 449075, 563385, 938975, 1239447, 1347225, 2065745, 2816925, 6197235, 10328725, 30986175]

約数ペア:

[(1, 30986175), (3, 10328725), (5, 6197235), (11, 2816925), (15, 2065745), (23, 1347225), (25, 1239447), (33, 938975), (55, 563385), (69, 449075), (71, 436425), (75, 413149), (115, 269445), (165, 187795), (213, 145475), (253, 122475), (275, 112677), (345, 89815), (355, 87285), (529, 58575), (575, 53889), (759, 40825), (781, 39675), (825, 37559), (1065, 29095), (1265, 24495), (1587, 19525), (1633, 18975), (1725, 17963), (1775, 17457), (2343, 13225), (2645, 11715), (3795, 8165), (3905, 7935), (4899, 6325), (5325, 5819)]