145720755

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:769

約数の個数: 64

約数和(自身を含む): 274544640

約数和(自身を除く): 128823885

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 71, 115, 135, 207, 213, 345, 355, 621, 639, 661, 1035, 1065, 1633, 1917, 1983, 3105, 3195, 3305, 4899, 5949, 8165, 9585, 9915, 14697, 15203, 17847, 24495, 29745, 44091, 45609, 46931, 73485, 76015, 89235, 136827, 140793, 220455, 228045, 234655, 410481, 422379, 684135, 703965, 1079413, 1267137, 2052405, 2111895, 3238239, 5397065, 6335685, 9714717, 16191195, 29144151, 48573585, 145720755]

約数ペア:

[(1, 145720755), (3, 48573585), (5, 29144151), (9, 16191195), (15, 9714717), (23, 6335685), (27, 5397065), (45, 3238239), (69, 2111895), (71, 2052405), (115, 1267137), (135, 1079413), (207, 703965), (213, 684135), (345, 422379), (355, 410481), (621, 234655), (639, 228045), (661, 220455), (1035, 140793), (1065, 136827), (1633, 89235), (1917, 76015), (1983, 73485), (3105, 46931), (3195, 45609), (3305, 44091), (4899, 29745), (5949, 24495), (8165, 17847), (9585, 15203), (9915, 14697)]