16480503

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 56

約数和(自身を含む): 27910848

約数和(自身を除く): 11430345

約数列:

[1, 3, 9, 13, 27, 37, 39, 47, 81, 111, 117, 141, 243, 333, 351, 423, 481, 611, 729, 999, 1053, 1269, 1443, 1739, 1833, 2997, 3159, 3807, 4329, 5217, 5499, 8991, 9477, 11421, 12987, 15651, 16497, 22607, 26973, 34263, 38961, 46953, 49491, 67821, 116883, 140859, 148473, 203463, 350649, 422577, 445419, 610389, 1267731, 1831167, 5493501, 16480503]

約数ペア:

[(1, 16480503), (3, 5493501), (9, 1831167), (13, 1267731), (27, 610389), (37, 445419), (39, 422577), (47, 350649), (81, 203463), (111, 148473), (117, 140859), (141, 116883), (243, 67821), (333, 49491), (351, 46953), (423, 38961), (481, 34263), (611, 26973), (729, 22607), (999, 16497), (1053, 15651), (1269, 12987), (1443, 11421), (1739, 9477), (1833, 8991), (2997, 5499), (3159, 5217), (3807, 4329)]