203415843

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 294624000

約数和(自身を除く): 91208157

約数列:

[1, 3, 19, 43, 57, 129, 149, 447, 557, 817, 1671, 2451, 2831, 6407, 8493, 10583, 19221, 23951, 31749, 71853, 82993, 121733, 248979, 365199, 455069, 1365207, 1576867, 3568699, 4730601, 10706097, 67805281, 203415843]

約数ペア:

[(1, 203415843), (3, 67805281), (19, 10706097), (43, 4730601), (57, 3568699), (129, 1576867), (149, 1365207), (447, 455069), (557, 365199), (817, 248979), (1671, 121733), (2451, 82993), (2831, 71853), (6407, 31749), (8493, 23951), (10583, 19221)]