74191719

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 115315200

約数和(自身を除く): 41123481

約数列:

[1, 3, 7, 21, 131, 149, 181, 393, 447, 543, 917, 1043, 1267, 2751, 3129, 3801, 19519, 23711, 26969, 58557, 71133, 80907, 136633, 165977, 188783, 409899, 497931, 566349, 3532939, 10598817, 24730573, 74191719]

約数ペア:

[(1, 74191719), (3, 24730573), (7, 10598817), (21, 3532939), (131, 566349), (149, 497931), (181, 409899), (393, 188783), (447, 165977), (543, 136633), (917, 80907), (1043, 71133), (1267, 58557), (2751, 26969), (3129, 23711), (3801, 19519)]