71291727

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 119272608

約数和(自身を除く): 47980881

約数列:

[1, 3, 9, 13, 17, 39, 51, 73, 117, 153, 219, 221, 491, 657, 663, 949, 1241, 1473, 1989, 2847, 3723, 4419, 6383, 8347, 8541, 11169, 16133, 19149, 25041, 35843, 48399, 57447, 75123, 107529, 108511, 145197, 322587, 325533, 465959, 609331, 976599, 1397877, 1827993, 4193631, 5483979, 7921303, 23763909, 71291727]

約数ペア:

[(1, 71291727), (3, 23763909), (9, 7921303), (13, 5483979), (17, 4193631), (39, 1827993), (51, 1397877), (73, 976599), (117, 609331), (153, 465959), (219, 325533), (221, 322587), (491, 145197), (657, 108511), (663, 107529), (949, 75123), (1241, 57447), (1473, 48399), (1989, 35843), (2847, 25041), (3723, 19149), (4419, 16133), (6383, 11169), (8347, 8541)]