213816525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5927}}^1$

素因数の和:5990

約数の個数: 48

約数和(自身を含む): 391058304

約数和(自身を除く): 177241779

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 185, 195, 325, 481, 555, 925, 975, 1443, 2405, 2775, 5927, 7215, 12025, 17781, 29635, 36075, 77051, 88905, 148175, 219299, 231153, 385255, 444525, 657897, 1096495, 1155765, 1926275, 2850887, 3289485, 5482475, 5778825, 8552661, 14254435, 16447425, 42763305, 71272175, 213816525]

約数ペア:

[(1, 213816525), (3, 71272175), (5, 42763305), (13, 16447425), (15, 14254435), (25, 8552661), (37, 5778825), (39, 5482475), (65, 3289485), (75, 2850887), (111, 1926275), (185, 1155765), (195, 1096495), (325, 657897), (481, 444525), (555, 385255), (925, 231153), (975, 219299), (1443, 148175), (2405, 88905), (2775, 77051), (5927, 36075), (7215, 29635), (12025, 17781)]