178138737

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 321024000

約数和(自身を除く): 142885263

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 113, 133, 171, 189, 339, 399, 439, 513, 791, 1017, 1197, 1317, 2147, 2373, 3051, 3073, 3591, 3951, 6441, 7119, 8341, 9219, 11853, 15029, 19323, 21357, 25023, 27657, 45087, 49607, 57969, 58387, 75069, 82971, 135261, 148821, 175161, 225207, 347249, 405783, 446463, 525483, 942533, 1041747, 1339389, 1576449, 2827599, 3125241, 6597731, 8482797, 9375723, 19793193, 25448391, 59379579, 178138737]

約数ペア:

[(1, 178138737), (3, 59379579), (7, 25448391), (9, 19793193), (19, 9375723), (21, 8482797), (27, 6597731), (57, 3125241), (63, 2827599), (113, 1576449), (133, 1339389), (171, 1041747), (189, 942533), (339, 525483), (399, 446463), (439, 405783), (513, 347249), (791, 225207), (1017, 175161), (1197, 148821), (1317, 135261), (2147, 82971), (2373, 75069), (3051, 58387), (3073, 57969), (3591, 49607), (3951, 45087), (6441, 27657), (7119, 25023), (8341, 21357), (9219, 19323), (11853, 15029)]