388580715

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2273}}^1$

素因数の和:2444

約数の個数: 48

約数和(自身を含む): 702393120

約数和(自身を除く): 313812405

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 131, 145, 261, 393, 435, 655, 1179, 1305, 1965, 2273, 3799, 5895, 6819, 11365, 11397, 18995, 20457, 34095, 34191, 56985, 65917, 102285, 170955, 197751, 297763, 329585, 593253, 893289, 988755, 1488815, 2679867, 2966265, 4466445, 8635127, 13399335, 25905381, 43175635, 77716143, 129526905, 388580715]

約数ペア:

[(1, 388580715), (3, 129526905), (5, 77716143), (9, 43175635), (15, 25905381), (29, 13399335), (45, 8635127), (87, 4466445), (131, 2966265), (145, 2679867), (261, 1488815), (393, 988755), (435, 893289), (655, 593253), (1179, 329585), (1305, 297763), (1965, 197751), (2273, 170955), (3799, 102285), (5895, 65917), (6819, 56985), (11365, 34191), (11397, 34095), (18995, 20457)]