890200905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1163}}^1\times {\mathrm{4639}}^1$

素因数の和:5821

約数の個数: 32

約数和(自身を含む): 1555476480

約数和(自身を除く): 665275575

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 1163, 3489, 4639, 5815, 12793, 13917, 17445, 23195, 38379, 51029, 63965, 69585, 153087, 191895, 255145, 765435, 5395157, 16185471, 26975785, 59346727, 80927355, 178040181, 296733635, 890200905]

約数ペア:

[(1, 890200905), (3, 296733635), (5, 178040181), (11, 80927355), (15, 59346727), (33, 26975785), (55, 16185471), (165, 5395157), (1163, 765435), (3489, 255145), (4639, 191895), (5815, 153087), (12793, 69585), (13917, 63965), (17445, 51029), (23195, 38379)]