28666995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6659}}^1$

素因数の和:6715

約数の個数: 32

約数和(自身を含む): 53706240

約数和(自身を除く): 25039245

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 6659, 19977, 33295, 46613, 99885, 139839, 233065, 273019, 699195, 819057, 1365095, 1911133, 4095285, 5733399, 9555665, 28666995]

約数ペア:

[(1, 28666995), (3, 9555665), (5, 5733399), (7, 4095285), (15, 1911133), (21, 1365095), (35, 819057), (41, 699195), (105, 273019), (123, 233065), (205, 139839), (287, 99885), (615, 46613), (861, 33295), (1435, 19977), (4305, 6659)]