47720013

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 71442432

約数和(自身を除く): 23722419

約数列:

[1, 3, 11, 33, 67, 113, 191, 201, 339, 573, 737, 1243, 2101, 2211, 3729, 6303, 7571, 12797, 21583, 22713, 38391, 64749, 83281, 140767, 237413, 249843, 422301, 712239, 1446061, 4338183, 15906671, 47720013]

約数ペア:

[(1, 47720013), (3, 15906671), (11, 4338183), (33, 1446061), (67, 712239), (113, 422301), (191, 249843), (201, 237413), (339, 140767), (573, 83281), (737, 64749), (1243, 38391), (2101, 22713), (2211, 21583), (3729, 12797), (6303, 7571)]