2874885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 5177088

約数和(自身を除く): 2302203

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 641, 897, 1495, 1923, 3205, 4485, 8333, 9615, 14743, 24999, 41665, 44229, 73715, 124995, 191659, 221145, 574977, 958295, 2874885]

約数ペア:

[(1, 2874885), (3, 958295), (5, 574977), (13, 221145), (15, 191659), (23, 124995), (39, 73715), (65, 44229), (69, 41665), (115, 24999), (195, 14743), (299, 9615), (345, 8333), (641, 4485), (897, 3205), (1495, 1923)]