305911245

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^2\times {\mathrm{89}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 513501120

約数和(自身を除く): 207589875

約数列:

[1, 3, 5, 15, 43, 73, 89, 129, 215, 219, 267, 365, 445, 645, 1095, 1335, 3139, 3827, 5329, 6497, 9417, 11481, 15695, 15987, 19135, 19491, 26645, 32485, 47085, 57405, 79935, 97455, 229147, 279371, 474281, 687441, 838113, 1145735, 1396855, 1422843, 2371405, 3437205, 4190565, 7114215, 20394083, 61182249, 101970415, 305911245]

約数ペア:

[(1, 305911245), (3, 101970415), (5, 61182249), (15, 20394083), (43, 7114215), (73, 4190565), (89, 3437205), (129, 2371405), (215, 1422843), (219, 1396855), (267, 1145735), (365, 838113), (445, 687441), (645, 474281), (1095, 279371), (1335, 229147), (3139, 97455), (3827, 79935), (5329, 57405), (6497, 47085), (9417, 32485), (11481, 26645), (15695, 19491), (15987, 19135)]