405979290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{501209}}^1$

素因数の和:501228

約数の個数: 40

約数和(自身を含む): 1091635380

約数和(自身を除く): 685656090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 501209, 1002418, 1503627, 2506045, 3007254, 4510881, 5012090, 7518135, 9021762, 13532643, 15036270, 22554405, 27065286, 40597929, 45108810, 67663215, 81195858, 135326430, 202989645, 405979290]

約数ペア:

[(1, 405979290), (2, 202989645), (3, 135326430), (5, 81195858), (6, 67663215), (9, 45108810), (10, 40597929), (15, 27065286), (18, 22554405), (27, 15036270), (30, 13532643), (45, 9021762), (54, 7518135), (81, 5012090), (90, 4510881), (135, 3007254), (162, 2506045), (270, 1503627), (405, 1002418), (810, 501209)]