16244775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 32033664

約数和(自身を除く): 15788889

約数列:

[1, 3, 5, 9, 15, 17, 25, 31, 45, 51, 75, 85, 93, 137, 153, 155, 225, 255, 279, 411, 425, 465, 527, 685, 765, 775, 1233, 1275, 1395, 1581, 2055, 2325, 2329, 2635, 3425, 3825, 4247, 4743, 6165, 6975, 6987, 7905, 10275, 11645, 12741, 13175, 20961, 21235, 23715, 30825, 34935, 38223, 39525, 58225, 63705, 72199, 104805, 106175, 118575, 174675, 191115, 216597, 318525, 360995, 524025, 649791, 955575, 1082985, 1804975, 3248955, 5414925, 16244775]

約数ペア:

[(1, 16244775), (3, 5414925), (5, 3248955), (9, 1804975), (15, 1082985), (17, 955575), (25, 649791), (31, 524025), (45, 360995), (51, 318525), (75, 216597), (85, 191115), (93, 174675), (137, 118575), (153, 106175), (155, 104805), (225, 72199), (255, 63705), (279, 58225), (411, 39525), (425, 38223), (465, 34935), (527, 30825), (685, 23715), (765, 21235), (775, 20961), (1233, 13175), (1275, 12741), (1395, 11645), (1581, 10275), (2055, 7905), (2325, 6987), (2329, 6975), (2635, 6165), (3425, 4743), (3825, 4247)]