28735455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2657}}^1$

素因数の和:2775

約数の個数: 32

約数和(自身を含む): 53074944

約数和(自身を除く): 24339489

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 309, 515, 721, 1545, 2163, 2657, 3605, 7971, 10815, 13285, 18599, 39855, 55797, 92995, 273671, 278985, 821013, 1368355, 1915697, 4105065, 5747091, 9578485, 28735455]

約数ペア:

[(1, 28735455), (3, 9578485), (5, 5747091), (7, 4105065), (15, 1915697), (21, 1368355), (35, 821013), (103, 278985), (105, 273671), (309, 92995), (515, 55797), (721, 39855), (1545, 18599), (2163, 13285), (2657, 10815), (3605, 7971)]