10905885

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 20021040

約数和(自身を除く): 9115155

約数列:

[1, 3, 5, 9, 15, 29, 45, 61, 87, 137, 145, 183, 261, 305, 411, 435, 549, 685, 915, 1233, 1305, 1769, 2055, 2745, 3973, 5307, 6165, 8357, 8845, 11919, 15921, 19865, 25071, 26535, 35757, 41785, 59595, 75213, 79605, 125355, 178785, 242353, 376065, 727059, 1211765, 2181177, 3635295, 10905885]

約数ペア:

[(1, 10905885), (3, 3635295), (5, 2181177), (9, 1211765), (15, 727059), (29, 376065), (45, 242353), (61, 178785), (87, 125355), (137, 79605), (145, 75213), (183, 59595), (261, 41785), (305, 35757), (411, 26535), (435, 25071), (549, 19865), (685, 15921), (915, 11919), (1233, 8845), (1305, 8357), (1769, 6165), (2055, 5307), (2745, 3973)]