81018315

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 170352000

約数和(自身を除く): 89333685

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 49, 63, 87, 105, 145, 147, 181, 203, 245, 261, 315, 343, 435, 441, 543, 609, 735, 905, 1015, 1029, 1267, 1305, 1421, 1629, 1715, 1827, 2205, 2715, 3045, 3087, 3801, 4263, 5145, 5249, 6335, 7105, 8145, 8869, 9135, 9947, 11403, 12789, 15435, 15747, 19005, 21315, 26245, 26607, 29841, 36743, 44345, 47241, 49735, 57015, 62083, 63945, 78735, 79821, 89523, 110229, 133035, 149205, 183715, 186249, 236205, 257201, 310415, 330687, 399105, 447615, 551145, 558747, 771603, 931245, 1286005, 1653435, 1800407, 2314809, 2793735, 3858015, 5401221, 9002035, 11574045, 16203663, 27006105, 81018315]

約数ペア:

[(1, 81018315), (3, 27006105), (5, 16203663), (7, 11574045), (9, 9002035), (15, 5401221), (21, 3858015), (29, 2793735), (35, 2314809), (45, 1800407), (49, 1653435), (63, 1286005), (87, 931245), (105, 771603), (145, 558747), (147, 551145), (181, 447615), (203, 399105), (245, 330687), (261, 310415), (315, 257201), (343, 236205), (435, 186249), (441, 183715), (543, 149205), (609, 133035), (735, 110229), (905, 89523), (1015, 79821), (1029, 78735), (1267, 63945), (1305, 62083), (1421, 57015), (1629, 49735), (1715, 47241), (1827, 44345), (2205, 36743), (2715, 29841), (3045, 26607), (3087, 26245), (3801, 21315), (4263, 19005), (5145, 15747), (5249, 15435), (6335, 12789), (7105, 11403), (8145, 9947), (8869, 9135)]