2220435

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 4801680

約数和(自身を除く): 2581245

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 53, 57, 63, 95, 105, 133, 147, 159, 171, 245, 265, 285, 315, 371, 399, 441, 477, 665, 735, 795, 855, 931, 1007, 1113, 1197, 1855, 1995, 2205, 2385, 2597, 2793, 3021, 3339, 4655, 5035, 5565, 5985, 7049, 7791, 8379, 9063, 12985, 13965, 15105, 16695, 21147, 23373, 35245, 38955, 41895, 45315, 49343, 63441, 105735, 116865, 148029, 246715, 317205, 444087, 740145, 2220435]

約数ペア:

[(1, 2220435), (3, 740145), (5, 444087), (7, 317205), (9, 246715), (15, 148029), (19, 116865), (21, 105735), (35, 63441), (45, 49343), (49, 45315), (53, 41895), (57, 38955), (63, 35245), (95, 23373), (105, 21147), (133, 16695), (147, 15105), (159, 13965), (171, 12985), (245, 9063), (265, 8379), (285, 7791), (315, 7049), (371, 5985), (399, 5565), (441, 5035), (477, 4655), (665, 3339), (735, 3021), (795, 2793), (855, 2597), (931, 2385), (1007, 2205), (1113, 1995), (1197, 1855)]