42717285

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 82732104

約数和(自身を除く): 40014819

約数列:

[1, 3, 5, 9, 13, 15, 39, 41, 45, 65, 117, 123, 137, 169, 195, 205, 369, 411, 507, 533, 585, 615, 685, 845, 1233, 1521, 1599, 1781, 1845, 2055, 2535, 2665, 4797, 5343, 5617, 6165, 6929, 7605, 7995, 8905, 16029, 16851, 20787, 23153, 23985, 26715, 28085, 34645, 50553, 62361, 69459, 73021, 80145, 84255, 103935, 115765, 208377, 219063, 252765, 311805, 347295, 365105, 657189, 949273, 1041885, 1095315, 2847819, 3285945, 4746365, 8543457, 14239095, 42717285]

約数ペア:

[(1, 42717285), (3, 14239095), (5, 8543457), (9, 4746365), (13, 3285945), (15, 2847819), (39, 1095315), (41, 1041885), (45, 949273), (65, 657189), (117, 365105), (123, 347295), (137, 311805), (169, 252765), (195, 219063), (205, 208377), (369, 115765), (411, 103935), (507, 84255), (533, 80145), (585, 73021), (615, 69459), (685, 62361), (845, 50553), (1233, 34645), (1521, 28085), (1599, 26715), (1781, 23985), (1845, 23153), (2055, 20787), (2535, 16851), (2665, 16029), (4797, 8905), (5343, 7995), (5617, 7605), (6165, 6929)]