31283109

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 53813760

約数和(自身を除く): 22530651

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 109, 117, 143, 223, 327, 429, 669, 981, 1199, 1287, 1417, 2007, 2453, 2899, 3597, 4251, 7359, 8697, 10791, 12753, 15587, 22077, 24307, 26091, 31889, 46761, 72921, 95667, 140283, 218763, 267377, 287001, 315991, 802131, 947973, 2406393, 2843919, 3475901, 10427703, 31283109]

約数ペア:

[(1, 31283109), (3, 10427703), (9, 3475901), (11, 2843919), (13, 2406393), (33, 947973), (39, 802131), (99, 315991), (109, 287001), (117, 267377), (143, 218763), (223, 140283), (327, 95667), (429, 72921), (669, 46761), (981, 31889), (1199, 26091), (1287, 24307), (1417, 22077), (2007, 15587), (2453, 12753), (2899, 10791), (3597, 8697), (4251, 7359)]