55281285

素因数分解:

$3^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 100324224

約数和(自身を除く): 45042939

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 173, 243, 263, 405, 519, 789, 865, 1215, 1315, 1557, 2367, 2595, 3945, 4671, 7101, 7785, 11835, 14013, 21303, 23355, 35505, 42039, 45499, 63909, 70065, 106515, 136497, 210195, 227495, 319545, 409491, 682485, 1228473, 2047455, 3685419, 6142365, 11056257, 18427095, 55281285]

約数ペア:

[(1, 55281285), (3, 18427095), (5, 11056257), (9, 6142365), (15, 3685419), (27, 2047455), (45, 1228473), (81, 682485), (135, 409491), (173, 319545), (243, 227495), (263, 210195), (405, 136497), (519, 106515), (789, 70065), (865, 63909), (1215, 45499), (1315, 42039), (1557, 35505), (2367, 23355), (2595, 21303), (3945, 14013), (4671, 11835), (7101, 7785)]