15648885

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 32438016

約数和(自身を除く): 16789131

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 49, 63, 105, 141, 147, 151, 235, 245, 315, 329, 423, 441, 453, 705, 735, 755, 987, 1057, 1359, 1645, 2115, 2205, 2265, 2303, 2961, 3171, 4935, 5285, 6795, 6909, 7097, 7399, 9513, 11515, 14805, 15855, 20727, 21291, 22197, 34545, 35485, 36995, 47565, 49679, 63873, 66591, 103635, 106455, 110985, 149037, 248395, 319365, 332955, 347753, 447111, 745185, 1043259, 1738765, 2235555, 3129777, 5216295, 15648885]

約数ペア:

[(1, 15648885), (3, 5216295), (5, 3129777), (7, 2235555), (9, 1738765), (15, 1043259), (21, 745185), (35, 447111), (45, 347753), (47, 332955), (49, 319365), (63, 248395), (105, 149037), (141, 110985), (147, 106455), (151, 103635), (235, 66591), (245, 63873), (315, 49679), (329, 47565), (423, 36995), (441, 35485), (453, 34545), (705, 22197), (735, 21291), (755, 20727), (987, 15855), (1057, 14805), (1359, 11515), (1645, 9513), (2115, 7399), (2205, 7097), (2265, 6909), (2303, 6795), (2961, 5285), (3171, 4935)]