28488915

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:810

約数の個数: 80

約数和(自身を含む): 62935488

約数和(自身を除く): 34446573

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 81, 91, 105, 117, 135, 189, 195, 273, 315, 351, 405, 455, 567, 585, 773, 819, 945, 1053, 1365, 1755, 2319, 2457, 2835, 3865, 4095, 5265, 5411, 6957, 7371, 10049, 11595, 12285, 16233, 20871, 27055, 30147, 34785, 36855, 48699, 50245, 62613, 70343, 81165, 90441, 104355, 146097, 150735, 211029, 243495, 271323, 313065, 351715, 438291, 452205, 633087, 730485, 813969, 1055145, 1356615, 1899261, 2191455, 3165435, 4069845, 5697783, 9496305, 28488915]

約数ペア:

[(1, 28488915), (3, 9496305), (5, 5697783), (7, 4069845), (9, 3165435), (13, 2191455), (15, 1899261), (21, 1356615), (27, 1055145), (35, 813969), (39, 730485), (45, 633087), (63, 452205), (65, 438291), (81, 351715), (91, 313065), (105, 271323), (117, 243495), (135, 211029), (189, 150735), (195, 146097), (273, 104355), (315, 90441), (351, 81165), (405, 70343), (455, 62613), (567, 50245), (585, 48699), (773, 36855), (819, 34785), (945, 30147), (1053, 27055), (1365, 20871), (1755, 16233), (2319, 12285), (2457, 11595), (2835, 10049), (3865, 7371), (4095, 6957), (5265, 5411)]