31082805

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 29397195

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 89, 117, 135, 195, 199, 267, 351, 445, 585, 597, 801, 995, 1157, 1335, 1755, 1791, 2403, 2587, 2985, 3471, 4005, 5373, 5785, 7761, 8955, 10413, 12015, 12935, 17355, 17711, 23283, 26865, 31239, 38805, 52065, 53133, 69849, 88555, 116415, 156195, 159399, 230243, 265665, 349245, 478197, 690729, 796995, 1151215, 2072187, 2390985, 3453645, 6216561, 10360935, 31082805]

約数ペア:

[(1, 31082805), (3, 10360935), (5, 6216561), (9, 3453645), (13, 2390985), (15, 2072187), (27, 1151215), (39, 796995), (45, 690729), (65, 478197), (89, 349245), (117, 265665), (135, 230243), (195, 159399), (199, 156195), (267, 116415), (351, 88555), (445, 69849), (585, 53133), (597, 52065), (801, 38805), (995, 31239), (1157, 26865), (1335, 23283), (1755, 17711), (1791, 17355), (2403, 12935), (2587, 12015), (2985, 10413), (3471, 8955), (4005, 7761), (5373, 5785)]