25972215

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{601}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 43228416

約数和(自身を除く): 17256201

約数列:

[1, 3, 5, 15, 43, 67, 129, 201, 215, 335, 601, 645, 1005, 1803, 2881, 3005, 8643, 9015, 14405, 25843, 40267, 43215, 77529, 120801, 129215, 201335, 387645, 604005, 1731481, 5194443, 8657405, 25972215]

約数ペア:

[(1, 25972215), (3, 8657405), (5, 5194443), (15, 1731481), (43, 604005), (67, 387645), (129, 201335), (201, 129215), (215, 120801), (335, 77529), (601, 43215), (645, 40267), (1005, 25843), (1803, 14405), (2881, 9015), (3005, 8643)]