28299987

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{991}}^1$

素因数の和:1183

約数の個数: 24

約数和(自身を含む): 43330560

約数和(自身を除く): 15030573

約数列:

[1, 3, 9, 19, 57, 167, 171, 501, 991, 1503, 2973, 3173, 8919, 9519, 18829, 28557, 56487, 165497, 169461, 496491, 1489473, 3144443, 9433329, 28299987]

約数ペア:

[(1, 28299987), (3, 9433329), (9, 3144443), (19, 1489473), (57, 496491), (167, 169461), (171, 165497), (501, 56487), (991, 28557), (1503, 18829), (2973, 9519), (3173, 8919)]