998156925

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{25943}}^1$

素因数の和:25984

約数の個数: 60

約数和(自身を含む): 1946318880

約数和(自身を除く): 948161955

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 135, 171, 225, 285, 405, 475, 513, 675, 855, 1425, 1539, 2025, 2565, 4275, 7695, 12825, 25943, 38475, 77829, 129715, 233487, 389145, 492917, 648575, 700461, 1167435, 1478751, 1945725, 2101383, 2464585, 3502305, 4436253, 5837175, 7393755, 10506915, 12322925, 13308759, 17511525, 22181265, 36968775, 39926277, 52534575, 66543795, 110906325, 199631385, 332718975, 998156925]

約数ペア:

[(1, 998156925), (3, 332718975), (5, 199631385), (9, 110906325), (15, 66543795), (19, 52534575), (25, 39926277), (27, 36968775), (45, 22181265), (57, 17511525), (75, 13308759), (81, 12322925), (95, 10506915), (135, 7393755), (171, 5837175), (225, 4436253), (285, 3502305), (405, 2464585), (475, 2101383), (513, 1945725), (675, 1478751), (855, 1167435), (1425, 700461), (1539, 648575), (2025, 492917), (2565, 389145), (4275, 233487), (7695, 129715), (12825, 77829), (25943, 38475)]