197312085

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 367200000

約数和(自身を除く): 169887915

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 101, 135, 145, 261, 303, 435, 499, 505, 783, 909, 1305, 1497, 1515, 2495, 2727, 2929, 3915, 4491, 4545, 7485, 8787, 13473, 13635, 14471, 14645, 22455, 26361, 43413, 43935, 50399, 67365, 72355, 79083, 130239, 131805, 151197, 217065, 251995, 390717, 395415, 453591, 651195, 755985, 1360773, 1461571, 1953585, 2267955, 4384713, 6803865, 7307855, 13154139, 21923565, 39462417, 65770695, 197312085]

約数ペア:

[(1, 197312085), (3, 65770695), (5, 39462417), (9, 21923565), (15, 13154139), (27, 7307855), (29, 6803865), (45, 4384713), (87, 2267955), (101, 1953585), (135, 1461571), (145, 1360773), (261, 755985), (303, 651195), (435, 453591), (499, 395415), (505, 390717), (783, 251995), (909, 217065), (1305, 151197), (1497, 131805), (1515, 130239), (2495, 79083), (2727, 72355), (2929, 67365), (3915, 50399), (4491, 43935), (4545, 43413), (7485, 26361), (8787, 22455), (13473, 14645), (13635, 14471)]