17554641

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 26331648

約数和(自身を除く): 8777007

約数列:

[1, 3, 13, 39, 47, 61, 141, 157, 183, 471, 611, 793, 1833, 2041, 2379, 2867, 6123, 7379, 8601, 9577, 22137, 28731, 37271, 95927, 111813, 124501, 287781, 373503, 450119, 1350357, 5851547, 17554641]

約数ペア:

[(1, 17554641), (3, 5851547), (13, 1350357), (39, 450119), (47, 373503), (61, 287781), (141, 124501), (157, 111813), (183, 95927), (471, 37271), (611, 28731), (793, 22137), (1833, 9577), (2041, 8601), (2379, 7379), (2867, 6123)]