28655055

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 60121152

約数和(自身を除く): 31466097

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 61, 65, 73, 99, 117, 143, 165, 183, 195, 219, 305, 365, 429, 495, 549, 585, 657, 671, 715, 793, 803, 915, 949, 1095, 1287, 2013, 2145, 2379, 2409, 2745, 2847, 3285, 3355, 3965, 4015, 4453, 4745, 6039, 6435, 7137, 7227, 8541, 8723, 10065, 10439, 11895, 12045, 13359, 14235, 22265, 26169, 30195, 31317, 35685, 36135, 40077, 42705, 43615, 48983, 52195, 57889, 66795, 78507, 93951, 130845, 146949, 156585, 173667, 200385, 244915, 289445, 392535, 440847, 469755, 521001, 636779, 734745, 868335, 1910337, 2204235, 2605005, 3183895, 5731011, 9551685, 28655055]

約数ペア:

[(1, 28655055), (3, 9551685), (5, 5731011), (9, 3183895), (11, 2605005), (13, 2204235), (15, 1910337), (33, 868335), (39, 734745), (45, 636779), (55, 521001), (61, 469755), (65, 440847), (73, 392535), (99, 289445), (117, 244915), (143, 200385), (165, 173667), (183, 156585), (195, 146949), (219, 130845), (305, 93951), (365, 78507), (429, 66795), (495, 57889), (549, 52195), (585, 48983), (657, 43615), (671, 42705), (715, 40077), (793, 36135), (803, 35685), (915, 31317), (949, 30195), (1095, 26169), (1287, 22265), (2013, 14235), (2145, 13359), (2379, 12045), (2409, 11895), (2745, 10439), (2847, 10065), (3285, 8723), (3355, 8541), (3965, 7227), (4015, 7137), (4453, 6435), (4745, 6039)]