16525431

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 27871200

約数和(自身を除く): 11345769

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 89, 117, 207, 267, 299, 351, 529, 621, 801, 897, 1157, 1587, 2047, 2403, 2691, 3471, 4761, 6141, 6877, 8073, 10413, 14283, 18423, 20631, 26611, 31239, 47081, 55269, 61893, 79833, 141243, 185679, 239499, 423729, 612053, 718497, 1271187, 1836159, 5508477, 16525431]

約数ペア:

[(1, 16525431), (3, 5508477), (9, 1836159), (13, 1271187), (23, 718497), (27, 612053), (39, 423729), (69, 239499), (89, 185679), (117, 141243), (207, 79833), (267, 61893), (299, 55269), (351, 47081), (529, 31239), (621, 26611), (801, 20631), (897, 18423), (1157, 14283), (1587, 10413), (2047, 8073), (2403, 6877), (2691, 6141), (3471, 4761)]