291225753

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{118529}}^1$

素因数の和:118558

約数の個数: 32

約数和(自身を含む): 531014400

約数和(自身を除く): 239788647

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 118529, 355587, 829703, 1066761, 1540877, 2489109, 3200283, 4622631, 7467327, 10786139, 13867893, 22401981, 32358417, 41603679, 97075251, 291225753]

約数ペア:

[(1, 291225753), (3, 97075251), (7, 41603679), (9, 32358417), (13, 22401981), (21, 13867893), (27, 10786139), (39, 7467327), (63, 4622631), (91, 3200283), (117, 2489109), (189, 1540877), (273, 1066761), (351, 829703), (819, 355587), (2457, 118529)]