287771265

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 530323200

約数和(自身を除く): 242551935

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 89, 129, 135, 215, 267, 387, 445, 557, 645, 801, 1161, 1335, 1671, 1935, 2403, 2785, 3827, 4005, 5013, 5805, 8355, 11481, 12015, 15039, 19135, 23951, 25065, 34443, 49573, 57405, 71853, 75195, 103329, 119755, 148719, 172215, 215559, 247865, 359265, 446157, 516645, 646677, 743595, 1077795, 1338471, 2131639, 2230785, 3233385, 6394917, 6692355, 10658195, 19184751, 31974585, 57554253, 95923755, 287771265]

約数ペア:

[(1, 287771265), (3, 95923755), (5, 57554253), (9, 31974585), (15, 19184751), (27, 10658195), (43, 6692355), (45, 6394917), (89, 3233385), (129, 2230785), (135, 2131639), (215, 1338471), (267, 1077795), (387, 743595), (445, 646677), (557, 516645), (645, 446157), (801, 359265), (1161, 247865), (1335, 215559), (1671, 172215), (1935, 148719), (2403, 119755), (2785, 103329), (3827, 75195), (4005, 71853), (5013, 57405), (5805, 49573), (8355, 34443), (11481, 25065), (12015, 23951), (15039, 19135)]