16965405

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 31696704

約数和(自身を除く): 14731299

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 67, 85, 153, 201, 255, 331, 335, 603, 765, 993, 1005, 1139, 1655, 2979, 3015, 3417, 4965, 5627, 5695, 10251, 14895, 16881, 17085, 22177, 28135, 50643, 51255, 66531, 84405, 110885, 199593, 253215, 332655, 377009, 997965, 1131027, 1885045, 3393081, 5655135, 16965405]

約数ペア:

[(1, 16965405), (3, 5655135), (5, 3393081), (9, 1885045), (15, 1131027), (17, 997965), (45, 377009), (51, 332655), (67, 253215), (85, 199593), (153, 110885), (201, 84405), (255, 66531), (331, 51255), (335, 50643), (603, 28135), (765, 22177), (993, 17085), (1005, 16881), (1139, 14895), (1655, 10251), (2979, 5695), (3015, 5627), (3417, 4965)]