17993871

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 32145984

約数和(自身を除く): 14152113

約数列:

[1, 3, 7, 9, 17, 21, 51, 53, 63, 119, 153, 159, 317, 357, 371, 477, 901, 951, 1071, 1113, 2219, 2703, 2853, 3339, 5389, 6307, 6657, 8109, 16167, 16801, 18921, 19971, 37723, 48501, 50403, 56763, 113169, 117607, 151209, 285617, 339507, 352821, 856851, 1058463, 1999319, 2570553, 5997957, 17993871]

約数ペア:

[(1, 17993871), (3, 5997957), (7, 2570553), (9, 1999319), (17, 1058463), (21, 856851), (51, 352821), (53, 339507), (63, 285617), (119, 151209), (153, 117607), (159, 113169), (317, 56763), (357, 50403), (371, 48501), (477, 37723), (901, 19971), (951, 18921), (1071, 16801), (1113, 16167), (2219, 8109), (2703, 6657), (2853, 6307), (3339, 5389)]