187777215

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1021}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 336082656

約数和(自身を除く): 148305441

約数列:

[1, 3, 5, 9, 15, 45, 61, 67, 183, 201, 305, 335, 549, 603, 915, 1005, 1021, 2745, 3015, 3063, 4087, 5105, 9189, 12261, 15315, 20435, 36783, 45945, 61305, 62281, 68407, 183915, 186843, 205221, 311405, 342035, 560529, 615663, 934215, 1026105, 2802645, 3078315, 4172827, 12518481, 20864135, 37555443, 62592405, 187777215]

約数ペア:

[(1, 187777215), (3, 62592405), (5, 37555443), (9, 20864135), (15, 12518481), (45, 4172827), (61, 3078315), (67, 2802645), (183, 1026105), (201, 934215), (305, 615663), (335, 560529), (549, 342035), (603, 311405), (915, 205221), (1005, 186843), (1021, 183915), (2745, 68407), (3015, 62281), (3063, 61305), (4087, 45945), (5105, 36783), (9189, 20435), (12261, 15315)]