28071645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14071}}^1$

素因数の和:14105

約数の個数: 32

約数和(自身を含む): 54036480

約数和(自身を除く): 25964835

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 14071, 42213, 70355, 98497, 211065, 267349, 295491, 492485, 802047, 1336745, 1477455, 1871443, 4010235, 5614329, 9357215, 28071645]

約数ペア:

[(1, 28071645), (3, 9357215), (5, 5614329), (7, 4010235), (15, 1871443), (19, 1477455), (21, 1336745), (35, 802047), (57, 492485), (95, 295491), (105, 267349), (133, 211065), (285, 98497), (399, 70355), (665, 42213), (1995, 14071)]