198528075

素因数分解:

$3^2\times 5^2\times {\mathrm{313}}^1\times {\mathrm{2819}}^1$

素因数の和:3148

約数の個数: 36

約数和(自身を含む): 356848440

約数和(自身を除く): 158320365

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 313, 939, 1565, 2817, 2819, 4695, 7825, 8457, 14085, 14095, 23475, 25371, 42285, 70425, 70475, 126855, 211425, 634275, 882347, 2647041, 4411735, 7941123, 13235205, 22058675, 39705615, 66176025, 198528075]

約数ペア:

[(1, 198528075), (3, 66176025), (5, 39705615), (9, 22058675), (15, 13235205), (25, 7941123), (45, 4411735), (75, 2647041), (225, 882347), (313, 634275), (939, 211425), (1565, 126855), (2817, 70475), (2819, 70425), (4695, 42285), (7825, 25371), (8457, 23475), (14085, 14095)]