28723155

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1039}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 48921600

約数和(自身を除く): 20198445

約数列:

[1, 3, 5, 15, 19, 57, 95, 97, 285, 291, 485, 1039, 1455, 1843, 3117, 5195, 5529, 9215, 15585, 19741, 27645, 59223, 98705, 100783, 296115, 302349, 503915, 1511745, 1914877, 5744631, 9574385, 28723155]

約数ペア:

[(1, 28723155), (3, 9574385), (5, 5744631), (15, 1914877), (19, 1511745), (57, 503915), (95, 302349), (97, 296115), (285, 100783), (291, 98705), (485, 59223), (1039, 27645), (1455, 19741), (1843, 15585), (3117, 9215), (5195, 5529)]