71505603

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 116180064

約数和(自身を除く): 44674461

約数列:

[1, 3, 9, 13, 39, 43, 61, 117, 129, 183, 233, 387, 549, 559, 699, 793, 1677, 2097, 2379, 2623, 3029, 5031, 7137, 7869, 9087, 10019, 14213, 23607, 27261, 30057, 34099, 42639, 90171, 102297, 127917, 130247, 184769, 306891, 390741, 554307, 611159, 1172223, 1662921, 1833477, 5500431, 7945067, 23835201, 71505603]

約数ペア:

[(1, 71505603), (3, 23835201), (9, 7945067), (13, 5500431), (39, 1833477), (43, 1662921), (61, 1172223), (117, 611159), (129, 554307), (183, 390741), (233, 306891), (387, 184769), (549, 130247), (559, 127917), (699, 102297), (793, 90171), (1677, 42639), (2097, 34099), (2379, 30057), (2623, 27261), (3029, 23607), (5031, 14213), (7137, 10019), (7869, 9087)]