75387915

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 145141920

約数和(自身を除く): 69754005

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 97, 101, 135, 171, 285, 291, 303, 405, 485, 505, 513, 855, 873, 909, 1455, 1515, 1539, 1843, 1919, 2565, 2619, 2727, 4365, 4545, 5529, 5757, 7695, 7857, 8181, 9215, 9595, 9797, 13095, 13635, 16587, 17271, 27645, 28785, 29391, 39285, 40905, 48985, 49761, 51813, 82935, 86355, 88173, 146955, 149283, 155439, 186143, 248805, 259065, 264519, 440865, 558429, 746415, 777195, 793557, 930715, 1322595, 1675287, 2792145, 3967785, 5025861, 8376435, 15077583, 25129305, 75387915]

約数ペア:

[(1, 75387915), (3, 25129305), (5, 15077583), (9, 8376435), (15, 5025861), (19, 3967785), (27, 2792145), (45, 1675287), (57, 1322595), (81, 930715), (95, 793557), (97, 777195), (101, 746415), (135, 558429), (171, 440865), (285, 264519), (291, 259065), (303, 248805), (405, 186143), (485, 155439), (505, 149283), (513, 146955), (855, 88173), (873, 86355), (909, 82935), (1455, 51813), (1515, 49761), (1539, 48985), (1843, 40905), (1919, 39285), (2565, 29391), (2619, 28785), (2727, 27645), (4365, 17271), (4545, 16587), (5529, 13635), (5757, 13095), (7695, 9797), (7857, 9595), (8181, 9215)]