156988381221

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1879}}^1\times {\mathrm{16787}}^1$

素因数の和:18758

約数の個数: 48

約数和(自身を含む): 262591180800

約数和(自身を除く): 105602799579

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 1879, 4977, 5637, 13153, 16787, 16911, 39459, 50361, 117509, 118377, 148441, 151083, 352527, 445323, 1039087, 1057581, 1326173, 1335969, 3117261, 3978519, 9283211, 9351783, 11935557, 27849633, 31542773, 83548899, 94628319, 220799411, 283884957, 662398233, 1987194699, 2491879067, 7475637201, 17443153469, 22426911603, 52329460407, 156988381221]

約数ペア:

[(1, 156988381221), (3, 52329460407), (7, 22426911603), (9, 17443153469), (21, 7475637201), (63, 2491879067), (79, 1987194699), (237, 662398233), (553, 283884957), (711, 220799411), (1659, 94628319), (1879, 83548899), (4977, 31542773), (5637, 27849633), (13153, 11935557), (16787, 9351783), (16911, 9283211), (39459, 3978519), (50361, 3117261), (117509, 1335969), (118377, 1326173), (148441, 1057581), (151083, 1039087), (352527, 445323)]