661374

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 1703520

約数和(自身を除く): 1042146

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 181, 203, 261, 362, 406, 522, 543, 609, 1086, 1218, 1267, 1629, 1827, 2534, 3258, 3654, 3801, 5249, 7602, 10498, 11403, 15747, 22806, 31494, 36743, 47241, 73486, 94482, 110229, 220458, 330687, 661374]

約数ペア:

[(1, 661374), (2, 330687), (3, 220458), (6, 110229), (7, 94482), (9, 73486), (14, 47241), (18, 36743), (21, 31494), (29, 22806), (42, 15747), (58, 11403), (63, 10498), (87, 7602), (126, 5249), (174, 3801), (181, 3654), (203, 3258), (261, 2534), (362, 1827), (406, 1629), (522, 1267), (543, 1218), (609, 1086)]