31242456

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{20663}}^1$

素因数の和:20685

約数の個数: 64

約数和(自身を含む): 99187200

約数和(自身を除く): 67944744

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 20663, 41326, 61989, 82652, 123978, 144641, 165304, 185967, 247956, 289282, 371934, 433923, 495912, 557901, 578564, 743868, 867846, 1115802, 1157128, 1301769, 1487736, 1735692, 2231604, 2603538, 3471384, 3905307, 4463208, 5207076, 7810614, 10414152, 15621228, 31242456]

約数ペア:

[(1, 31242456), (2, 15621228), (3, 10414152), (4, 7810614), (6, 5207076), (7, 4463208), (8, 3905307), (9, 3471384), (12, 2603538), (14, 2231604), (18, 1735692), (21, 1487736), (24, 1301769), (27, 1157128), (28, 1115802), (36, 867846), (42, 743868), (54, 578564), (56, 557901), (63, 495912), (72, 433923), (84, 371934), (108, 289282), (126, 247956), (168, 185967), (189, 165304), (216, 144641), (252, 123978), (378, 82652), (504, 61989), (756, 41326), (1512, 20663)]