1995525

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{181}}^1$

素因数の和:211

約数の個数: 54

約数和(自身を含む): 4180722

約数和(自身を除く): 2185197

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 181, 225, 245, 315, 441, 525, 543, 735, 905, 1225, 1267, 1575, 1629, 2205, 2715, 3675, 3801, 4525, 6335, 8145, 8869, 11025, 11403, 13575, 19005, 26607, 31675, 40725, 44345, 57015, 79821, 95025, 133035, 221725, 285075, 399105, 665175, 1995525]

約数ペア:

[(1, 1995525), (3, 665175), (5, 399105), (7, 285075), (9, 221725), (15, 133035), (21, 95025), (25, 79821), (35, 57015), (45, 44345), (49, 40725), (63, 31675), (75, 26607), (105, 19005), (147, 13575), (175, 11403), (181, 11025), (225, 8869), (245, 8145), (315, 6335), (441, 4525), (525, 3801), (543, 3675), (735, 2715), (905, 2205), (1225, 1629), (1267, 1575)]