28431585

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 62270208

約数和(自身を除く): 33838623

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 53, 63, 65, 91, 105, 117, 131, 159, 195, 265, 273, 315, 371, 393, 455, 477, 585, 655, 689, 795, 819, 917, 1113, 1179, 1365, 1703, 1855, 1965, 2067, 2385, 2751, 3339, 3445, 4095, 4585, 4823, 5109, 5565, 5895, 6201, 6943, 8253, 8515, 10335, 11921, 13755, 14469, 15327, 16695, 20829, 24115, 25545, 31005, 34715, 35763, 41265, 43407, 48601, 59605, 62487, 72345, 76635, 90259, 104145, 107289, 145803, 178815, 217035, 243005, 270777, 312435, 437409, 451295, 536445, 631813, 729015, 812331, 1353885, 1895439, 2187045, 3159065, 4061655, 5686317, 9477195, 28431585]

約数ペア:

[(1, 28431585), (3, 9477195), (5, 5686317), (7, 4061655), (9, 3159065), (13, 2187045), (15, 1895439), (21, 1353885), (35, 812331), (39, 729015), (45, 631813), (53, 536445), (63, 451295), (65, 437409), (91, 312435), (105, 270777), (117, 243005), (131, 217035), (159, 178815), (195, 145803), (265, 107289), (273, 104145), (315, 90259), (371, 76635), (393, 72345), (455, 62487), (477, 59605), (585, 48601), (655, 43407), (689, 41265), (795, 35763), (819, 34715), (917, 31005), (1113, 25545), (1179, 24115), (1365, 20829), (1703, 16695), (1855, 15327), (1965, 14469), (2067, 13755), (2385, 11921), (2751, 10335), (3339, 8515), (3445, 8253), (4095, 6943), (4585, 6201), (4823, 5895), (5109, 5565)]