31097715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 26479245

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 67, 87, 97, 145, 165, 201, 291, 319, 335, 435, 485, 737, 957, 1005, 1067, 1455, 1595, 1943, 2211, 2813, 3201, 3685, 4785, 5335, 5829, 6499, 8439, 9715, 11055, 14065, 16005, 19497, 21373, 29145, 30943, 32495, 42195, 64119, 71489, 92829, 97485, 106865, 154715, 188471, 214467, 320595, 357445, 464145, 565413, 942355, 1072335, 2073181, 2827065, 6219543, 10365905, 31097715]

約数ペア:

[(1, 31097715), (3, 10365905), (5, 6219543), (11, 2827065), (15, 2073181), (29, 1072335), (33, 942355), (55, 565413), (67, 464145), (87, 357445), (97, 320595), (145, 214467), (165, 188471), (201, 154715), (291, 106865), (319, 97485), (335, 92829), (435, 71489), (485, 64119), (737, 42195), (957, 32495), (1005, 30943), (1067, 29145), (1455, 21373), (1595, 19497), (1943, 16005), (2211, 14065), (2813, 11055), (3201, 9715), (3685, 8439), (4785, 6499), (5335, 5829)]