18001515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{991}}^1$

素因数の和:1179

約数の個数: 32

約数和(自身を含む): 33140736

約数和(自身を除く): 15139221

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 173, 519, 865, 991, 1211, 2595, 2973, 3633, 4955, 6055, 6937, 14865, 18165, 20811, 34685, 104055, 171443, 514329, 857215, 1200101, 2571645, 3600303, 6000505, 18001515]

約数ペア:

[(1, 18001515), (3, 6000505), (5, 3600303), (7, 2571645), (15, 1200101), (21, 857215), (35, 514329), (105, 171443), (173, 104055), (519, 34685), (865, 20811), (991, 18165), (1211, 14865), (2595, 6937), (2973, 6055), (3633, 4955)]