1204065

素因数分解:

$3^5\times 5^1\times {\mathrm{991}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 2166528

約数和(自身を除く): 962463

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 991, 1215, 2973, 4955, 8919, 14865, 26757, 44595, 80271, 133785, 240813, 401355, 1204065]

約数ペア:

[(1, 1204065), (3, 401355), (5, 240813), (9, 133785), (15, 80271), (27, 44595), (45, 26757), (81, 14865), (135, 8919), (243, 4955), (405, 2973), (991, 1215)]