31361499

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 60

約数和(自身を含む): 53143200

約数和(自身を除く): 21781701

約数列:

[1, 3, 9, 13, 27, 29, 39, 79, 81, 87, 117, 169, 237, 261, 351, 377, 507, 711, 783, 1027, 1053, 1131, 1521, 2133, 2291, 2349, 3081, 3393, 4563, 4901, 6399, 6873, 9243, 10179, 13351, 13689, 14703, 20619, 27729, 29783, 30537, 40053, 44109, 61857, 83187, 89349, 120159, 132327, 185571, 268047, 360477, 387179, 396981, 804141, 1081431, 1161537, 2412423, 3484611, 10453833, 31361499]

約数ペア:

[(1, 31361499), (3, 10453833), (9, 3484611), (13, 2412423), (27, 1161537), (29, 1081431), (39, 804141), (79, 396981), (81, 387179), (87, 360477), (117, 268047), (169, 185571), (237, 132327), (261, 120159), (351, 89349), (377, 83187), (507, 61857), (711, 44109), (783, 40053), (1027, 30537), (1053, 29783), (1131, 27729), (1521, 20619), (2133, 14703), (2291, 13689), (2349, 13351), (3081, 10179), (3393, 9243), (4563, 6873), (4901, 6399)]