215979885

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145441}}^1$

素因数の和:145466

約数の個数: 32

約数和(自身を含む): 418872960

約数和(自身を除く): 202893075

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 145441, 436323, 727205, 1308969, 1599851, 2181615, 3926907, 4799553, 6544845, 7999255, 14398659, 19634535, 23997765, 43195977, 71993295, 215979885]

約数ペア:

[(1, 215979885), (3, 71993295), (5, 43195977), (9, 23997765), (11, 19634535), (15, 14398659), (27, 7999255), (33, 6544845), (45, 4799553), (55, 3926907), (99, 2181615), (135, 1599851), (165, 1308969), (297, 727205), (495, 436323), (1485, 145441)]