27891765

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 55437408

約数和(自身を除く): 27545643

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 67, 87, 99, 145, 165, 201, 261, 319, 335, 435, 495, 603, 737, 841, 957, 1005, 1305, 1595, 1943, 2211, 2523, 2871, 3015, 3685, 4205, 4785, 5829, 6633, 7569, 9251, 9715, 11055, 12615, 14355, 17487, 21373, 27753, 29145, 33165, 37845, 46255, 56347, 64119, 83259, 87435, 106865, 138765, 169041, 192357, 281735, 320595, 416295, 507123, 619817, 845205, 961785, 1859451, 2535615, 3099085, 5578353, 9297255, 27891765]

約数ペア:

[(1, 27891765), (3, 9297255), (5, 5578353), (9, 3099085), (11, 2535615), (15, 1859451), (29, 961785), (33, 845205), (45, 619817), (55, 507123), (67, 416295), (87, 320595), (99, 281735), (145, 192357), (165, 169041), (201, 138765), (261, 106865), (319, 87435), (335, 83259), (435, 64119), (495, 56347), (603, 46255), (737, 37845), (841, 33165), (957, 29145), (1005, 27753), (1305, 21373), (1595, 17487), (1943, 14355), (2211, 12615), (2523, 11055), (2871, 9715), (3015, 9251), (3685, 7569), (4205, 6633), (4785, 5829)]