90135423

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2239}}^1$

素因数の和:2329

約数の個数: 40

約数和(自身を含む): 156119040

約数和(自身を除く): 65983617

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 497, 567, 639, 1491, 1917, 2239, 4473, 5751, 6717, 13419, 15673, 20151, 40257, 47019, 60453, 141057, 158969, 181359, 423171, 476907, 1112783, 1269513, 1430721, 3338349, 4292163, 10015047, 12876489, 30045141, 90135423]

約数ペア:

[(1, 90135423), (3, 30045141), (7, 12876489), (9, 10015047), (21, 4292163), (27, 3338349), (63, 1430721), (71, 1269513), (81, 1112783), (189, 476907), (213, 423171), (497, 181359), (567, 158969), (639, 141057), (1491, 60453), (1917, 47019), (2239, 40257), (4473, 20151), (5751, 15673), (6717, 13419)]