28728945

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 61395840

約数和(自身を除く): 32666895

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 49, 63, 101, 105, 129, 135, 147, 189, 215, 245, 301, 303, 315, 387, 441, 505, 645, 707, 735, 903, 909, 945, 1161, 1323, 1505, 1515, 1935, 2107, 2121, 2205, 2709, 2727, 3535, 4343, 4515, 4545, 4949, 5805, 6321, 6363, 6615, 8127, 10535, 10605, 13029, 13545, 13635, 14847, 18963, 19089, 21715, 24745, 30401, 31605, 31815, 39087, 40635, 44541, 56889, 65145, 74235, 91203, 94815, 95445, 117261, 133623, 152005, 195435, 212807, 222705, 273609, 284445, 456015, 586305, 638421, 668115, 820827, 1064035, 1368045, 1915263, 3192105, 4104135, 5745789, 9576315, 28728945]

約数ペア:

[(1, 28728945), (3, 9576315), (5, 5745789), (7, 4104135), (9, 3192105), (15, 1915263), (21, 1368045), (27, 1064035), (35, 820827), (43, 668115), (45, 638421), (49, 586305), (63, 456015), (101, 284445), (105, 273609), (129, 222705), (135, 212807), (147, 195435), (189, 152005), (215, 133623), (245, 117261), (301, 95445), (303, 94815), (315, 91203), (387, 74235), (441, 65145), (505, 56889), (645, 44541), (707, 40635), (735, 39087), (903, 31815), (909, 31605), (945, 30401), (1161, 24745), (1323, 21715), (1505, 19089), (1515, 18963), (1935, 14847), (2107, 13635), (2121, 13545), (2205, 13029), (2709, 10605), (2727, 10535), (3535, 8127), (4343, 6615), (4515, 6363), (4545, 6321), (4949, 5805)]