66519705

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{1847}}^1$

素因数の和:1883

約数の個数: 40

約数和(自身を含む): 124229952

約数和(自身を除く): 57710247

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 1847, 2401, 5145, 5541, 7203, 9235, 12005, 12929, 27705, 36015, 38787, 64645, 90503, 193935, 271509, 452515, 633521, 1357545, 1900563, 3167605, 4434647, 9502815, 13303941, 22173235, 66519705]

約数ペア:

[(1, 66519705), (3, 22173235), (5, 13303941), (7, 9502815), (15, 4434647), (21, 3167605), (35, 1900563), (49, 1357545), (105, 633521), (147, 452515), (245, 271509), (343, 193935), (735, 90503), (1029, 64645), (1715, 38787), (1847, 36015), (2401, 27705), (5145, 12929), (5541, 12005), (7203, 9235)]