25128645

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 42318720

約数和(自身を除く): 17190075

約数列:

[1, 3, 5, 15, 29, 61, 87, 145, 183, 305, 435, 915, 947, 1769, 2841, 4735, 5307, 8845, 14205, 26535, 27463, 57767, 82389, 137315, 173301, 288835, 411945, 866505, 1675243, 5025729, 8376215, 25128645]

約数ペア:

[(1, 25128645), (3, 8376215), (5, 5025729), (15, 1675243), (29, 866505), (61, 411945), (87, 288835), (145, 173301), (183, 137315), (305, 82389), (435, 57767), (915, 27463), (947, 26535), (1769, 14205), (2841, 8845), (4735, 5307)]