23138865

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 45534720

約数和(自身を除く): 22395855

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 81, 93, 95, 97, 135, 155, 171, 279, 285, 291, 405, 465, 485, 513, 589, 837, 855, 873, 1395, 1455, 1539, 1767, 1843, 2511, 2565, 2619, 2945, 3007, 4185, 4365, 5301, 5529, 7695, 7857, 8835, 9021, 9215, 12555, 13095, 15035, 15903, 16587, 26505, 27063, 27645, 39285, 45105, 47709, 49761, 57133, 79515, 81189, 82935, 135315, 149283, 171399, 238545, 243567, 248805, 285665, 405945, 514197, 746415, 856995, 1217835, 1542591, 2570985, 4627773, 7712955, 23138865]

約数ペア:

[(1, 23138865), (3, 7712955), (5, 4627773), (9, 2570985), (15, 1542591), (19, 1217835), (27, 856995), (31, 746415), (45, 514197), (57, 405945), (81, 285665), (93, 248805), (95, 243567), (97, 238545), (135, 171399), (155, 149283), (171, 135315), (279, 82935), (285, 81189), (291, 79515), (405, 57133), (465, 49761), (485, 47709), (513, 45105), (589, 39285), (837, 27645), (855, 27063), (873, 26505), (1395, 16587), (1455, 15903), (1539, 15035), (1767, 13095), (1843, 12555), (2511, 9215), (2565, 9021), (2619, 8835), (2945, 7857), (3007, 7695), (4185, 5529), (4365, 5301)]