421911903

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{773}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 677652480

約数和(自身を除く): 255740577

約数列:

[1, 3, 7, 21, 47, 49, 79, 141, 147, 237, 329, 553, 773, 987, 1659, 2303, 2319, 3713, 3871, 5411, 6909, 11139, 11613, 16233, 25991, 36331, 37877, 61067, 77973, 108993, 113631, 181937, 183201, 254317, 427469, 545811, 762951, 1282407, 1780219, 2870149, 2992283, 5340657, 8610447, 8976849, 20091043, 60273129, 140637301, 421911903]

約数ペア:

[(1, 421911903), (3, 140637301), (7, 60273129), (21, 20091043), (47, 8976849), (49, 8610447), (79, 5340657), (141, 2992283), (147, 2870149), (237, 1780219), (329, 1282407), (553, 762951), (773, 545811), (987, 427469), (1659, 254317), (2303, 183201), (2319, 181937), (3713, 113631), (3871, 108993), (5411, 77973), (6909, 61067), (11139, 37877), (11613, 36331), (16233, 25991)]